<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
  <style>
    div{color: red }
    p{color: blue !important;}
    #p1{color: green}
  </style>
</head>
<body>
<p id="p1" style="color: pink">p1</p>
<div>
  div
  <p>p2</p>
  <span>span</span>
  <a href="">超链接</a>
</div>
</body>
</html>